# 兔子英语 vs 数独世界

The clearest difference is update cadence: 兔子英语 at every 4 weeks against 数独世界's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

兔子英语 ships an update every 4 weeks, 数独世界 every 3 months. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 兔子英语 | 数独世界 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6760300955/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 4 weeks** | Every 3 months |
| Size | 55 MB | 110 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 12+ |
| Developer | [清萍 卢](https://appshunter.io/developer/1836543316) | [振宇 于](https://appshunter.io/developer/1376588969) |

## What reviewers say

### 兔子英语

[App page](https://appshunter.io/ios/app/id6760300955)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 数独世界

[App page](https://appshunter.io/ios/app/id6777591474)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 兔子英语 free?

兔子英语 is free to download, with no in-app purchases.

### Is 数独世界 free?

数独世界 is free to download, with no in-app purchases.

### Do 兔子英语 or 数独世界 have ads?

Both 兔子英语 and 数独世界 show ads.

### Which is updated more often, 兔子英语 or 数独世界?

兔子英语 ships an update every 4 weeks, and 数独世界 every 3 months. Most recently, 兔子英语 was updated on October 7, 2026 and 数独世界 on October 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*